Yul-ha, abandoned by his ex-lover for lack of an Omega, returns to his hometown for a new start. At a drinking party to commemorate his homecoming, he quickly got drunk and was struggling with his ex-lover's memory and dialed somewhere. Last night, he had the first hit cycle of his life and lost his mind. And he found a note that said he would see him again, "I will be responsible for you. Let's get married." With 'Dojin' proposing to his at first sight.